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Norgesic Side Effects

Generic Name: aspirin / caffeine / orphenadrine

Note: This document contains side effect information about aspirin / caffeine / orphenadrine. Some of the dosage forms listed on this page may not apply to the brand name Norgesic.

Applies to aspirin / caffeine / orphenadrine: oral tablet

Along with its needed effects, aspirin / caffeine / orphenadrine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Get emergency help immediately if any of the following symptoms of overdose occur while taking aspirin / caffeine / orphenadrine:

Symptoms of overdose in children

  • Changes in behavior
  • drowsiness or tiredness (severe)
  • fast or deep breathing
  • Any loss of hearing
  • bloody urine
  • confusion
  • convulsions (seizures)
  • diarrhea
  • dizziness or lightheadedness (severe)
  • drowsiness (severe)
  • excitement or nervousness (severe)
  • fast or deep breathing
  • hallucinations (seeing, hearing, or feeling things that are not there)
  • headache (severe or continuing)
  • increased sweating
  • nausea or vomiting (severe or continuing)
  • ringing or buzzing in the ears (continuing)
  • uncontrollable flapping movements of the hands, especially in elderly patients
  • unexplained fever
  • unusual thirst
  • vision problems

Check with your doctor as soon as possible if any of the following side effects occur while taking aspirin / caffeine / orphenadrine:

Less Common or Rare

  • Abdominal or stomach pain, cramping, or burning (severe)
  • bloody or black, tarry stools
  • decreased urination
  • eye pain
  • fainting
  • fast or pounding heartbeat
  • shortness of breath, troubled breathing, tightness in chest, or wheezing
  • skin rash, hives, itching, or redness
  • sores, ulcers, or white spots on lips or in mouth
  • swollen and/or painful glands
  • unusual bleeding or bruising
  • unusual tiredness or weakness
  • vomiting of blood or material that looks like coffee grounds

Some side effects of aspirin / caffeine / orphenadrine may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More Common

  • Abdominal or stomach cramps, pain, or discomfort (mild to moderate)
  • dryness of mouth
  • heartburn or indigestion
  • nausea or vomiting (mild)

Less Common

  • Blurred or double vision or other vision problems
  • confusion
  • constipation
  • difficult urination
  • dizziness or lightheadedness
  • drowsiness
  • excitement, nervousness, or restlessness
  • headache
  • muscle weakness
  • trembling
  • unusually large pupils of eyes

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.

More about Norgesic (aspirin / caffeine / orphenadrine)

Consumer resources

Other brands: Norgesic Forte, Orphengesic, Orphengesic Forte

Professional resources

Related treatment guides